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MAX805TESA from MAXIM,MAXIM - Dallas Semiconductor

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MAX805TESA

Manufacturer: MAXIM

3.0V or 3.3V microprocessor supervisory circuit. Reset threshold 3.075V. Active-high reset. Watchdog input. Backup-battery switch. Power-fail threshold accuracy +-4%. Power-fail comparator. Reset window +-75mV

Partnumber Manufacturer Quantity Availability
MAX805TESA MAXIM 3400 In Stock

Description and Introduction

3.0V or 3.3V microprocessor supervisory circuit. Reset threshold 3.075V. Active-high reset. Watchdog input. Backup-battery switch. Power-fail threshold accuracy +-4%. Power-fail comparator. Reset window +-75mV The MAX805TESA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Supply Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:**  
  - 2.63V, 2.93V, 3.08V, 4.38V, 4.63V (factory preset)  
- **Reset Timeout Period:** 140ms (min), 280ms (typ)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** 8-pin SOIC (MAX805TESA)  
- **Quiescent Current:** 5μA (typ)  
- **Output Type:** Active-low reset (open-drain or push-pull)  

### **Descriptions:**  
The MAX805TESA is a low-power microprocessor supervisor designed to monitor system power supplies and provide a reset signal to the μP during power-up, power-down, or brownout conditions. It ensures proper system operation by holding the reset signal active until the supply voltage stabilizes.  

### **Features:**  
- **Low Power Consumption:** Only 5μA typical supply current.  
- **Precision Voltage Monitoring:** Factory-trimmed reset threshold options.  
- **Manual Reset Input:** Allows external pushbutton reset control.  
- **Wide Operating Voltage Range:** Supports 1.2V to 5.5V systems.  
- **Guaranteed Reset Valid Down to VCC = 1V:** Ensures reliable operation.  
- **Small Package:** 8-pin SOIC for space-constrained applications.  
- **No External Components Required:** Simplifies circuit design.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

3.0V or 3.3V microprocessor supervisory circuit. Reset threshold 3.075V. Active-high reset. Watchdog input. Backup-battery switch. Power-fail threshold accuracy +-4%. Power-fail comparator. Reset window +-75mV

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